135052225557 has 4 divisors (see below), whose sum is σ = 180069634080. Its totient is φ = 90034817036.

The previous prime is 135052225541. The next prime is 135052225559. The reversal of 135052225557 is 755522250531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 135052225557 - 2⁴ = 135052225541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135052225559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22508704257 + ... + 22508704262.

It is an arithmetic number, because the mean of its divisors is an integer number (45017408520).

Almost surely, 2^135052225557 is an apocalyptic number.

It is an amenable number.

135052225557 is a deficient number, since it is larger than the sum of its proper divisors (45017408523).

135052225557 is an equidigital number, since it uses as much as digits as its factorization.

135052225557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45017408522.

The product of its (nonzero) digits is 525000, while the sum is 42.

The spelling of 135052225557 in words is "one hundred thirty-five billion, fifty-two million, two hundred twenty-five thousand, five hundred fifty-seven".